Home / 9,783.09-14,675.04-3,939.75

Finding the Fourth Proportional to 9,783.09, 14,675.04 and 3,939.75

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Solution

The fourth proportional to 9,783.09, 14,675.04 and 3,939.75 is: 5,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.09 : 14,675.04 = 3,939.75 : x
  2. Step 2: Convert to fraction form
    9,783.09/14,675.04 = 3,939.75/x
  3. Step 3: Cross multiply
    9,783.09x = 14,675.04 × 3,939.75
  4. Step 4: Simplify right side
    9,783.09x = 57,815,988.84
  5. Step 5: Solve for x
    x = 57,815,988.84/9,783.09
  6. Step 6: Final answer
    x = 5,909.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.